Home / 186,508.26-279,806.10-74,194.86

Finding the Fourth Proportional to 186,508.26, 279,806.10 and 74,194.86

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Solution

The fourth proportional to 186,508.26, 279,806.10 and 74,194.86 is: 111,309.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,508.26 : 279,806.10 = 74,194.86 : x
  2. Step 2: Convert to fraction form
    186,508.26/279,806.10 = 74,194.86/x
  3. Step 3: Cross multiply
    186,508.26x = 279,806.10 × 74,194.86
  4. Step 4: Simplify right side
    186,508.26x = 20,760,174,416.65
  5. Step 5: Solve for x
    x = 20,760,174,416.65/186,508.26
  6. Step 6: Final answer
    x = 111,309.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.